Trane CSAA Installation, Operation And Maintenance Manual
  1. Manuals
  2. Brands
  3. Trane Manuals
  4. Air Handlers
  5. CSAA
  6. Installation, operation and maintenance manual
Trane CSAA Installation, Operation And Maintenance Manual

Trane CSAA Installation, Operation And Maintenance Manual

Performance climate changer air handlers indoor and outdoor units sizes 3 to 120
Hide thumbs Also See for CSAA:
Table of Contents

Advertisement

Quick Links

Installation, Operation,
and Maintenance
Performance Climate Changer™ Air Handlers
Model CSAA
Indoor and Outdoor Units Sizes 3 to 120
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing
of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and
training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or
serious injury. When working on the equipment, observe all precautions in the literature and on the tags,
stickers, and labels that are attached to the equipment.
April 2019
SAFETY WARNING
CLCH-SVX07K-EN
X39641152010

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CSAA and is the answer not in the manual?

Questions and answers

JOHN HARTMANN
February 26, 2025

Looking for CSAA startup form

0

Related Manuals for Trane CSAA

Summary of Contents for Trane CSAA

  • Page 1 Installation, Operation, and Maintenance Performance Climate Changer™ Air Handlers Model CSAA Indoor and Outdoor Units Sizes 3 to 120 SAFETY WARNING Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
  • Page 2 ALWAYS refer to the appropriate MSDS/SDS and compounds have the same potential impact to the OSHA/GHS (Global Harmonized System of environment. Trane advocates the responsible handling of Classification and Labelling of Chemicals) guidelines all refrigerants-including industry replacements for CFCs for information on allowable personal exposure...
  • Page 3 Copyright This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in part without written permission. Trane reserves the right to revise this publication at any time, and to make changes to its content without obligation to notify any person of such revision or change.
  • Page 4 Table of Contents Factory Training Field-Installed Evaporator Piping ..... . . 3 ..110 Introduction Installation - Electrical .
  • Page 5 Use this manual to install, startup, operate, and maintain model number. the Performance Climate Changer™ air handler model CSAA. Carefully review the procedures discussed in this Note: The unit serial number and order number is manual to minimize installation and startup difficulties.
  • Page 6 Pre-Packaged Solutions for Controls • CLCH-SVN05*-EN, Roof Curbs for Performance Climate Changer™ Air Handlers installation If the air handler has been selected using one of Trane’s instructions pre-packaged solutions options for controls, there are a number of resources available to aid in commissioning •...
  • Page 7 Wiring sequencing, Trane Graphic Programming (TGP) and Rover set-up files for the specific unit selected. These resources are available through your local Trane sales office. WARNING For more information on controls, refer to the following Proper Field Wiring and Grounding...
  • Page 8 Table 2. Shipping length and weight limitations for  Notify your Trane sales representative of the damage outdoor air handlers and arrange for repair. Do not attempt to repair the unit Min Length...
  • Page 9 Pre-Installation Jobsite Storage • Check the motor lubrication; remove and clean grease plugs and check for the presence of moisture in the grease. If moisture is present, remove the motor and Indoor air handlers and field-installed accessories must be send it to an authorized repair shop for bearing protected from the elements.
  • Page 10 Pre-Installation designed to support the length, width, and weight of 1. Verify that the roof structure can adequately support the entire air-handling unit. See “Ceiling Suspension,” the combined weight of the unit and curb assembly. p. 29 for more information. 2.
  • Page 11 Dimensions and Weights Service Clearance Recommendations A minimum clearance of the section width plus 12 inches the event of failure. The section side panels must be on the access door side of the gas heat section is removed to access the heat exchanger. Refer to the recommended for routine maintenance.
  • Page 12 VFDs, or other high-voltage devices must be provided per NEC requirements. For specific dimensional and weight information, refer to the unit submittals. The dimensions and weights in this manual are approximate. Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice.
  • Page 13 Dimensions and Weights Section Dimensions and Weights Table 5. Section dimensions (inches) and weights (pounds) — unit sizes 3 to 30 Nominal airflow 1500 2000 3000 4000 5000 6000 7000 8500 10,500 12,500 15,000 Airflow at 625 fpm 2169 3475 4338 4581 6075...
  • Page 14 Dimensions and Weights Table 5. Section dimensions (inches) and weights (pounds) — unit sizes 3 to 30 (continued) Unit size Staggered Coils 44.00 44.00 47.50 Small horizontal (with max rows largest coil) 781.81 947.08 1084.67 52.00 52.00 55.50 Medium horizontal (with max rows largest coil) 1075.79 1229.29 1425.44 62.00...
  • Page 15 Dimensions and Weights Table 5. Section dimensions (inches) and weights (pounds) — unit sizes 3 to 30 (continued) Unit size Filters 24.50 24.50 24.50 26.50 26.50 26.50 26.50 24.50 24.50 24.50 24.50 -Side-load 2-in. angled 134.55 163.83 175.66 202.44 225.96 251.82 265.94 314.12...
  • Page 16 541.00 678.00 704.00 780.00 873.00 1073.00 1215.00 36.00 36.00 36.00 36.00 36.00 36.00 36.00 36.00 36.00 36.00 36.00 Trane Catalytic Air Cleaning System (TCACS) 334.73 367.14 389.21 434.66 470.05 497.59 514.12 544.30 599.38 665.11 711.12 14.00 14.00 14.00 14.00 14.00 14.00...
  • Page 17 Dimensions and Weights Table 5. Section dimensions (inches) and weights (pounds) — unit sizes 3 to 30 (continued) Unit size Hoods -Back inlet hood with 22.25 44.00 44.00 50.38 61.50 66.38 71.88 72.00 79.88 79.88 93.38 moisture eliminator airfoil 16.45 27.43 28.03 43.37...
  • Page 18 Dimensions and Weights Table 6. Section dimensions (inches) and weights (pounds) - unit sizes 31-120 Nominal airflow 17,500 20,000 25,000 28,500 33,000 40,000 50,000 60,000 Airflow at 625 fpm 23,263 25,519 34,375 39,581 47,225 53,475 65,106 76,388 Unit size Height - indoor unit 67.25 67.25 75.75...
  • Page 19 Dimensions and Weights Table 6. Section dimensions (inches) and weights (pounds) - unit sizes 31-120 Unit size 63.75 63.75 68.50 48.00 49.00 Electric Heat Coil 1666.00 1825.00 2267.00 2297.00 2857.00 Integral-face-and-bypass coil 29.50 29.50 29.50 29.50 29.50 29.50 29.50 29.50 -Less than 4 rows 1129.66 1168.40...
  • Page 20 Dimensions and Weights Table 6. Section dimensions (inches) and weights (pounds) - unit sizes 31-120 Unit size Filters 24.50 24.50 27.50 27.50 27.50 27.50 27.50 27.50 -Side load 2-in. angled 593.86 649.06 770.02 797.89 989.00 1088.02 1157.16 1282.20 24.50 24.50 27.50 27.50 27.50...
  • Page 21 2555.00 62.00 62.00 62.00 62.00 62.00 62.00 62.00 62.00 -5 ft 1335.00 1439.00 1795.00 1945.00 2313.00 2555.00 3230.00 3786.00 Trane Catalytic Air 36.00 36.00 36.00 36.00 36.00 36.00 36.00 36.00 Cleaning System 881.59 935.35 1044.28 1148.17 1362.38 1451.30 1707.27 1881.13 (TCACS) 14.00...
  • Page 22 Dimensions and Weights Fans/Motors Note: Trane has a Precision Motor™ option for direct- Starter/VFD Weights drive plenum fans. This offering takes a general With the exception of motorized impellers, fan weight purpose motor and re-rates the motor for higher does not include starter/VFD weight. See Table 7 rated loads.
  • Page 23 Installation - Mechanical Lifting and Rigging Figure 7. Shipping tie-down - front view Remove Shipping Tie-Downs Prior to unit placement, remove the shipping tie- downs. Tie-down removal Figure 5. Remove shipping tie-downs Tiedown Tiedown Clearance • Shipping tie-downs are located at each corner of the Clearance isolation base.
  • Page 24 Installation - Mechanical Figure 9. Isolator tie-down for unit sizes 10-30 Figure 12. Belt-drive plenum fan tie-down Required Required Tiedown clearance clearance Figure 10. Isolator tie-down removal for unit sizes 66-120 • Access for removal of shipping tie-downs for unit sizes 3-30 is available through the fan section access door or opposite drive-side plug panel.
  • Page 25 Installation - Mechanical DDP Fan Thrust Bumper NOTICE Confirm bumpers are not attached to the fan panel. The bumpers should be 1/2” from the panel to allow fan to free Equipment Damage! float on the spring isolators. Premature skid removal could result in equipment damage.
  • Page 26 Installation - Mechanical Figure 15. Lifting lugs for low-capacity and high- Table 9. Lug hole dimensions for low-capacity (under 3000 lbs.) and high-capacity (3000 lbs and over) capacity units units Section Location Unit Size Width Height Width Width Indoor 3-30 0.88 1.38 Indoor...
  • Page 27 30. which could result in death, serious injury, or Trane is not responsible for equipment damage equipment damage. Always place, assemble, and resulting from improper fork lifting practices.
  • Page 28 4 feet 4 feet local Trane representative before proceeding. Note: Piers beneath shipping splits must be structurally Following the order of the sections on the unit submittals sound to support the weight of the unit.
  • Page 29 Installation - Mechanical Removing the Shipping Skid Figure 25. Typical ceiling suspension-perpendicular Remove the wooden shipping blocks, wooden toe cleat if channels there is one, and end cleats prior to lowering unit into final position or installing the unit to the roof curb. Ceiling Suspension WARNING Risk of Unit Dropping!
  • Page 30 The number of sections to be assembled often makes it necessary to use more than one section to ship the assembly material; therefore, check all sections Note: Gasket/Butyl tape should be on outermost edge of thoroughly before contacting your Trane sales panel. See installation in Figure 31 Figure 32 representative to report missing items.
  • Page 31 Installation - Mechanical Figure 31. Install Butyl tape to outermost edge of panel. Figure 33. Stacked unit assembly (shown for sizes 3-50) Butyl tape extends to Gasket X23010544010 outermost 1.00 inches T edge of panel 4.00 inches W Figure 32. Install gasket to outermost edge of panel Install gasket to outermost edge 4.
  • Page 32 Installation - Mechanical Figure 35. Horizontal section-to-section high voltage Figure 37. Roof alignment (indoor unit only) quick connects 5. Assemble and seat connections per color code. 12. In addition, an adjustment can also be made to the height of the roof of either subassembly. At the center (width-wise) of the unit, measure the height of each Figure 36.
  • Page 33 Installation - Mechanical Figure 39. Adjust height of roof by loosening screws Loosen screws along width of unit for roof height adjustment. 13. For unit sizes 3-30, bolt the unit base frames together using 5/16-inch bolts (see Figure 40). 14. For unit sizes 35-120, bolt the unit base frames together using ½-threaded rod (see Figure 40).
  • Page 34 Installation - Mechanical Figure 40. Shipping split assembly Part# =KIT09798 Wedge block for indoor unit size 66-120 Outdoor hurricane-certified unit size 35-120 Part# = CNL02155 Wedge block for: Washer Threaded rod Outdoor unit size 35 (des seq L or earlier) 0.656 ID x 1.312 OD 0.50-13 x 10.50 Outdoor unit size 40-120...
  • Page 35 Installation - Mechanical 17. Install the section-to-section screws inserting the seams prior to seam caps being applied. See Figure 41 appropriate screws through the overlapping flanges Detail A and Detail B for hurricane units for sizes 3-120. using a powered impact gun and taking care not to Detail C applies to non-hurricane units size 3-120 (see strip the screws.
  • Page 36 Installation - Mechanical Figure 42. Section-to-section seam cap installation for non-hurricane units (sizes 3 to 35) CLCH-SVX07K-EN...
  • Page 37 Installation - Mechanical Figure 43. Section-to-section seam cap installation — non-hurricane units sizes 35 (des seq L or earlier) and 40 to 120 See Detail C One piece seam cap Detail C Cover end of upturned roof flange with field- Wide roof strip supplied foil tape Butyl tape...
  • Page 38 Installation - Mechanical ® Pipe Cabinet Installation 2. Add 1-inch x 7.5-inch Armacell gasketing to inside of ® baserail and add 3/8-inch x 3/8-inch white Butyl tape 1. After air handler is completely installed and checked to to face of pipe cabinet. See figures below for ensure that the unit is level and square, remove cross appropriate sizes.
  • Page 39 Installation - Mechanical Figure 46. Pipe cabinet installation, unit sizes 3 to 35 (des seq M or later) 1. Install inside corner cap. See Figure 47 Detail A and Detail B. 2. Install 3/8-inch x 3/8 inch white Butyl tape to unit wall where pipe cabinet roof connects.
  • Page 40 Installation - Mechanical Figure 47. Pipe cabinet installation details CLCH-SVX07K-EN...
  • Page 41 Installation - Mechanical Pipe Cabinet to be Installed at Shipping Split 3. Put threaded rod through pipe cabinet lifting lug into weld nut inside base rail to pull the pipe cabinet tight Joint against the unit. See Figure 47 Detail F. 1.
  • Page 42 Installation - Mechanical Stacked Outdoor Unit Assembly Assembly Hardware Table 10. Parts list for outdoor stacked units Item Description Item Description Gasket: 1.00T x 4.00W Bracket: Stacked unit Guard: Energy recovery end cover Screw: 0.313-18 x 0.875 sheet metal Guard: Energy recovery end cover Screw: 10-16 x 0.750 self driller Guard: Direction of airflow flashing Tape: Butyl 0.38T...
  • Page 43 Installation - Mechanical Vertical Seam Cap Installation 2. Secure vertical seam cap (Item 7) over ribbed Butyl tape (Item 6) with screws (Item 4) (see Detail A). First 1. See Figure 50. Apply ribbed Butyl tape (Item 6) over all level vertical seam cap (Item 7) starts at bottom of hem vertical shipping split seams (see Detail A).
  • Page 44 Installation - Mechanical Figure 51. Flashing installation (9) Guard: Perpendicular-to- airflow flashing (8) Tape: 0.12T x 1.00W gray Butyl (9) Guard: (12) Guard: Perpendicular-to- Direction-of- airflow flashing airflow flashing (10) Guard: Energy recovery end cover (11) Guard: (8) Tape: Energy recovery 0.12T x 1.00W end cover gray Butyl...
  • Page 45 Installation - Mechanical Figure 54. Flashing for corner seams Detail C Apply caulk (14) Adhesive/sealant: Flex polyurethane (8) Tape: 0.12T x 1.00W gray Butyl Assembled view (9) Guard: Perpendicular-to- airflow flashing (12) Guard: (4) Screw: Direction-of- 10-16 x 0.750 airflow flashing self-driller Figure 55.
  • Page 46 Installation - Mechanical Flashing Installation for Stacked Unit With Second Level Shorter Than First Sizes 3 to 35 (des seq M or later) Figure 56. Sizes 3 to 35 3 to 35 (des seq M or later) , non-hurricane units (part 1 of 2) CLCH-SVX07K-EN...
  • Page 47 Installation - Mechanical Figure 57. Sizes 3 to 35 (des seq M or later) , non-hurricane units (part 2 of 2) Sizes 3 to 35 (Design Sequence L or earlier) Figure 59. Bend end tabs, apply Butyl tape to flashing and 40 to 50 1.
  • Page 48 Installation - Mechanical 5. For unit size 50 with a two piece roof, additional sealing is required in the middle where the first level roof Figure 60. Apply caulk to seal sections meet with second level baserail. Seal vertical flanges of roof with caulk (Item 8) prior to installing Before installing flashing.
  • Page 49 Installation - Mechanical • Flashing runs full length on right/left sides of unit • Flashing runs full length on front/back of unit. Front/ except on access side when an energy recovery back flashing will not have any locating features and section is present.
  • Page 50 Installation - Mechanical Figure 63. Stacked unit assembly Detail A Assembled View Hood Apply caulk (14) Adhesive/sealant: flex polyurethane Detail A See Detail A (15) Bracket: hood support (17) Screw: (16) Angle: 0.250-14 x 0.750 hood support self driller (9) Guard: (17) Screw: perpendicular (8) Tape:...
  • Page 51 Installation - Mechanical Horizontal SDU/Winterizer Assembly Figure 65. Place secondary unit on black unit support To assemble dissimilar unit sizes for an indoor horizontal brackets. SDU/winterizer configuration: 1. Locate the mounting hardware and gasket material. Center of units Note: Black unit support brackets ship pre-installed on the primary (larger) unit section.
  • Page 52 Installation - Mechanical Vertical SDU/Winterizer Assembly Figure 69. Install trim angles To assemble dissimilar unit sizes for an indoor vertical SDU/winterizer configuration: 1. Apply gasketing to the mating surface of the secondary unit (see Figure 67). Vertical and horizontal trim angles Figure 67.
  • Page 53 Single Level Design - Size 3-120 Requirements Grade to Roof Mounted Non-Isolated See following table. Air handling equipment manufactured by Trane is capable of structurally and operationally withstanding the seismic Steel dunnage/steel curb. 3/8-inch diameter ASTM response criteria as required by the International Building...
  • Page 54 Installation - Mechanical Table 11. Anchor requirements Seismic Attachment System Attachment Equipment Restraint method weight (lbs.) model Qty per tag Method Anchor: Hilti HDA-P Dia.: M12 x 125/50 Floor mounted 2 per mounting 1.483 45 psf maximum Bolt down Embed.: 4.922 inches (concrete) location Edge: 14-in./8-in.
  • Page 55 Installation - Mechanical Hurricane Application Figure 72. Seismic anchor pattern Requirements AHU Plan View Miami/Dade Co. Hurricane Certification Spacing <= 46 inches* Staggered anchor bolt patterns Performance Climate Changer air handlers are approved and have has been designed to comply with the High Velocity Hurricane Zone of the Florida Building Code.
  • Page 56 Installation - Mechanical Figure 74. Anchoring size 57-120 units to substrate or Figure 77. Detail C - typical anchorage at angle clips roof curb for hurricane applications Detail C First level baserail 3 in. x 3 in. x 6 in. long x 1/4 in. thick min.
  • Page 57 Installation - Mechanical Figure 79. Hood installation size 3-50 - front and back hoods for hurricane applications Detail C These brackets are attached to See Detail C the unit baserail. Support bracket 1/4-14 x .75 sheet metal screw Fasten bracket to bottom of hood L angle (for hoods that are lower to ground, may need to flip the bracket (1) so the...
  • Page 58 Installation - Mechanical Gas Heat Installation Figure 84. Gas heat flue installation for hurricane applications See note Gas heat flue L bracket #10 x 3/4-in. self-drilling sheet metal screws Attach the gas heat flue duct to the L angles on both sides Right side view Note: When installing flue, leave enough clearance to avoid roof’s edge and anything above the roof.
  • Page 59 Installation - Mechanical Pipe Cabinet Installation 1. Remove the fasteners from the top of the nested U channel. Nested U channels and L angle have to be removed to 2. Remove the U channel from the unit base L angle and install the pipe cabinet to the unit and reinstall per the pipe cabinet base L angle.
  • Page 60 Installation - Mechanical 4. Attach the unit base L angle from the pipe cabinet to the 6. Locate the pipe cabinet in place, and reinstall the U unit base rail. See Step 4 in Figure 86 channel to the pipe base L angle and reinstall the top U channel to the nest (see Step 1, Figure 85).
  • Page 61 Component Installation Pipe Cabinet Anchorage Figure 88. Pipe cabinet direct anchorage to substrate details for hurricane applications. Figure 87. Pipe cabinet anchorage to roof curb details for hurricane applications. 3 in. x 3 in. x 6 in. long x 1/4 in. thick min.
  • Page 62 Component Installation Damper Torque Requirements Table 13. Mixing box damper torque requirements (inch pound) at 1-inch w.g. air pressure drop Parallel Opposed Standard Low-flow Low-flow Parallel airfoil Opposed airfoil Standard Standard airfoil airfoil Traq minimum econ Traq damper linked damper linked Traq linked Traq linked to Unit...
  • Page 63 Component Installation Table 15. Air-to-Air Plate Heat Exchanger Frost Damper Damper dia (in) Damper torque Actuator torque Unit size Damper qty (in-lb) (max) (in-lb) Actuator qty Linkage 25.00 13.97 12.10 42.00 37.50 13.97 18.20 42.00 37.50 13.97 18.20 42.00 44.00 13.97 21.30 42.00...
  • Page 64 Component Installation Table 17. Standard Traq damper - low flow Traq damper Linked low Actuator Actuator Actuator Std Traq flow Traq Actuator qty for qty for qty for Damper Damper Face- Total damper damper torque linked Std linked low single low Unit Damper qty per...
  • Page 65 Component Installation Table 19. Side Traq damper - standard flow diagonal economizer Face-to-face Linkage on Unit Damper Damper Damper Total torque Actuator torque Actuator sizes dia (in) torque (in-lb.) (in-lb.) (max) (in-lb.) linkage face 13.00 18.00 18.00 42.00 13.00 18.00 36.00 42.00 6, 8...
  • Page 66 Component Installation Table 22. Side Traq low-flow diagonal economizer Damper Low flow Remainder Actuator Actuator qty Face-to- Unit Damper Damper torque Traq torque Traq torque qty for low for remainder Actuator face Linkage size dia (in) (in-lb.) (in-lb.) (in-lb.) flow Traq damper total qty linkage...
  • Page 67 Component Installation Table 24. Side rectangle damper per 1200 fpm - diagonal economizer with OA rectangular dampers Actuator Torque torque (max) Unit size A (in) B (in) Damper qty (in-lb.) (in-lb.) Actuator qty Linkage 12.50 13.97 14.60 42.00 13.75 19.72 22.60 42.00 18.75...
  • Page 68 Component Installation Table 26. Damper torque Unit E-Wheel Damper Torque Actuator Torque (max) Actuator Size (cfm) (cfm) (in) (in) (in-lb) (in-lb) Linkage 1000 1500 18.00 8.22 5.10 42.00 2000 1500 2200 1500 3000 10-12 2200 32.00 8.22 9.10 42.00 8-14 3000 2200 10-17...
  • Page 69 Component Installation Table 27. Energy recovery bypass opposed-blade damper Damper Torque Actuator Torque Actuator Unit size A (in) B (in) (in-lb.) (max) (in-lb.) Linkage 3 - 8 18.00 8.22 5.10 42.00 8 - 14 32.00 8.22 9.10 42.00 10 - 17 41.75 8.22 11.90...
  • Page 70 Component Installation Table 29. Energy recovery recirculation parallel-blade damper Damper Torque Actuator torque Actuator Unit size A (in) B (in) (in-lb.) (max) (in-lb.) Linkage 16.00 13.97 10.90 42.00 28.50 13.97 19.40 42.00 28.50 13.97 19.40 42.00 35.00 13.97 23.80 42.00 46.00 13.97 31.20...
  • Page 71 Component Installation Table 31. Internal face-and-bypass damper torque requirements Actuator torque Unit size A (in) B (in) Damper Qty Torque (in-lb) (max) (in-lb.) Actuator Qty 23.20 18.31 12.80 42.00 35.70 18.31 19.70 42.00 35.70 19.37 20.90 42.00 42.20 24.39 31.10 42.00 53.20 24.39...
  • Page 72 Component Installation Opposed-Blade/Parallel-Blade Damper Note: Damper blades should be checked for proper operation from full open to full closed position Opposed-blade and parallel-blade airfoil dampers in unit before unit start up. Damper blade positioning may sizes 3-120, as well as internal and external face-and- have changed due to shipping and handling bypass sections, have centered dampers with an internal vibrations.
  • Page 73 Component Installation Diffusers Note: Remove the tie-downs only if the factory-provided isolation is to be used. Diffuser sections are usually placed between a fan and a Adjusting the Isolators downstream coil or filter. Because placement is critical to unit performance, verify the correct placement of the Once the shipping tie-downs are removed and the internal diffuser section before assembling the unit.
  • Page 74 A final filter is placed after the fan. • A pre-filter is placed before the fan. Note: Cartridge and bag filters provided by Trane are fitted with a 7/8-inch header that fits in the filter track. If using filters supplied by another manufacturer, filters should be purchased with a 7/ 8-inch header.
  • Page 75 Component Installation Filter Placement Figure 98. Side-loading 2-inch and 4-inch flat filter placement for unit sizes 3-35 Size 3 Size 4 Size 6 5.56 ft ² 3.47 ft ² 6.94 ft ² Size 8 Size 10 Size 12 1.25 20 2.5 7.33 ft ²...
  • Page 76 Component Installation Figure 99. Side-loading 2-inch and 4-inch flat filter placement for unit sizes 40-120 Size 40 40.83 ft ² Size 50 Size 57 20 1.5 20 1.5 63.33 ft ² 55.00 ft ² Size 80 Size 66 16.5 16 .5 ²...
  • Page 77 Component Installation Figure 100.Side-loading 2-inch/4-inch combination flat filter placement for unit sizes 3-35 Size 3 Size 4 Size 6 5.56 ft ² 3.47 ft ² 6.94 ft ² Size 8 Size 10 Size 12 1.25 20 2.5 7.33 ft ² 9.72 ft ²...
  • Page 78 Component Installation Figure 101.Side-loading 2-inch/4-inch combination flat filter placement for unit sizes 40-120 Size 40 40.83 ft ² Size 50 Size 57 20 1.5 20 1.5 63.33 ft ² 55.00 ft ² Size 80 Size 66 16.5 16 .5 ² 75.56 ft 16 .5 85.56 ft ²...
  • Page 79 Component Installation Figure 102.Side-loading 2-inch and 4-inch angled filter placement for unit sizes 3-35 Size 3 Size 4 Size 6 8.89 ft ² 8.89 ft ² 5.56 ft ² Size 8 Size 10 Size 12 7.25 20 2.5 11.11 ft ² 13.89 ft ²...
  • Page 80 Component Installation Figure 103.Side-loading 2-inch and 4-inch angled filter placement for unit sizes 40-120 Size 40 70.00 ft ² Size 50 Size 57 20 1.5 20 1.5 100.00 ft ² 100.00 ft ² Size 66 Size 80 16 .5 113.33 ft ² 16 .5 151.11 ft ²...
  • Page 81 Component Installation Figure 104.Side-loading long bag filter placement for unit sizes 3-35 Size 3 Size 4 Size 6 5.56 ft ² 3.33 ft ² 6.67 ft ² Size 8 Size 10 Size 12 15.3 12 12 6.45 8.67 ft ² 8.00 ft ²...
  • Page 82 Component Installation Figure 105.Side-loading long bag filter placement for unit sizes 40-120 Size 40 Size 50 Size 57 36.00 ft ² 50.00 ft ² 60.00 ft ² Size 66 Size 80 18.5 66.67 ft ² 88.00 ft ² Size 100 Size 120 12.8 134.00 ft ²...
  • Page 83 Component Installation Figure 106.Side-loading short bag filter placement for unit sizes 3-35 Size 3 Size 4 Size 6 5.56 ft ² 3.33 ft ² 6.67 ft ² Size 8 Size 10 Size 12 15.3 12 12 6.45 8.67 ft ² 8.00 ft ²...
  • Page 84 Component Installation Figure 107.Side-loading short bag filter placement for unit sizes 40-120 Size 40 Size 50 Size 57 36.00 ft ² 50.00 ft ² 60.00 ft ² Size 66 Size 80 18.5 66.67 ft ² 88.00 ft ² Size 100 Size 120 12.8 134.00 ft ²...
  • Page 85 Component Installation Figure 108.Side-loading cartridge filter placement for unit sizes 3-35 Size 3 Size 4 Size 6 5.56 ft ² 3.33 ft ² 6.67 ft ² Size 8 Size 10 Size 12 15.3 12 12 6.45 8.67 ft ² 8.00 ft ² 20 3.7 12.33 ft ²...
  • Page 86 Component Installation Figure 109.Side-loading cartridge filter placement for unit sizes 40-120 Size 40 Size 50 Size 57 36.00 ft ² 50.00 ft ² 60.00 ft ² Size 66 Size 80 18.5 66.67 ft ² 88.00 ft ² Size 100 Size 120 12.8 134.00 ft ²...
  • Page 87 Component Installation Figure 110.Front-loading 2-inch and 4-inch flat filter placement for unit sizes 3-35 Size 4 Size 6 Size 3 4.63 10.38 10.38 15.88 3.38 3.75 2.00 ft ² 2.00 ft ² 6.00 ft ² Size 8 Size 10 Size 12 10.88 7.13 7.13...
  • Page 88 Component Installation Figure 111.Front-loading 2-inch and 4-inch flat filter placement for unit sizes 40-120 Size 40 Size 50 Size 57 6.63 8.88 38.00 ft ² 50.00 ft ² 60.00 ft ² Size 66 Size 80 10.13 3.75 66.00 ft ² 3.75 86.00 ft ²...
  • Page 89 Component Installation Figure 112.Front-load short bag filter placement for unit sizes 3-35 Size 4 Size 6 Size 3 4.63 10.38 10.38 15.88 3.38 3.75 2.00 ft ² 2.00 ft ² 6.00 ft ² Size 8 Size 10 Size 12 10.88 7.13 7.13 10.25...
  • Page 90 Component Installation Figure 113.Front-loading short bag filter placement for unit sizes 40-120 Size 40 Size 50 Size 57 6.63 8.88 38.00 ft ² 50.00 ft ² 60.00 ft ² Size 66 Size 80 10.13 3.75 66.00 ft ² 3.75 86.00 ft ² Size 100 Size 120 1.13...
  • Page 91 Component Installation Figure 114.Front-loading cartridge filter placement for unit sizes 3-35 Size 4 Size 6 Size 3 4.63 10.38 10.38 15.88 3.38 3.75 2.00 ft ² 2.00 ft ² 6.00 ft ² Size 8 Size 10 Size 12 10.88 7.13 7.13 10.25 9.25...
  • Page 92 Component Installation Figure 115.Front-loading cartridge filter placement for unit sizes 40-120 Size 40 Size 50 Size 57 6.63 8.88 38.00 ft ² 50.00 ft ² 60.00 ft ² Size 66 Size 80 10.13 3.75 66.00 ft ² 3.75 86.00 ft ² Size 100 Size 120 1.13...
  • Page 93 Component Installation Figure 116.Front-loading HEPA filter placement for unit size 3-35 Size 3 Size 4 Size 6 15.38 2.88 2.00 ft ² 2.00 ft ² 2.75 6.00 ft ² Size 8 Size 10 Size 12 3.25 8.25 13.25 7.00 ft ² 10.00 ft ²...
  • Page 94 Component Installation Figure 117.Front-loading HEPA filter placement for unit sizes 40-120 Size 40 Size 50 Size 57 37.00 ft ² 46.00 ft ² 57.00 ft ² Size 66 Size 80 1.375 66.00 ft ² 1.375 76.00 ft ² Size 100 Size 120 5.625 2.75...
  • Page 95 Component Installation Multizone Section Figure 118.Setting damper rods and damper linkage Under certain operating conditions, condensation may form on the cold deck portion of the multizone damper section. To prevent this, insulate around the damper rods. Be sure the insulation does not affect damper operation. Zone Damper Operators Zone damper operators are available factory-mounted with factory-mounted controls or as a stand-alone end...
  • Page 96 Component Installation Figure 119. Typical discharge ductwork Figure 121.Typical section with duct flat/flange recommendations connection- internally insulated Splitters or turning vanes Vane turns in same direction as fan rotation Damper Connections Standard damper sections include mixing sections, filter mixing sections, face dampers sections, internal face-and- bypass sections, and economizer sections.
  • Page 97 Component Installation Figure 122. Field-supplied duct connection to AHU bottom supply/return air opening Bottom supply/ return airflow Typical Trane air handler base Field-supplied Typical Trane rigid duct air handler base Field-supplied rigid duct Figure 123. Field-supplied duct connection details - curb Figure 124.
  • Page 98 Component Installation Bell Mouth Discharge Connections Figure 126. Securing round duct to bell mouth outlet Round duct connections to be fastened to plenum fan and discharge plenum sections with bell mouth discharge openings should be sized to attach to the casing or directly to the bell mouth fitting.
  • Page 99 Component Installation External Face-and-Bypass Connections When attaching a bypass duct to a downstream fan section or access section, the section will have a factory-provided The external face-and-bypass damper sections will opening. (see Figure 128, Figure 129, and Figure 130.) require a field-fabricated duct to direct the bypass air into When bypassing into an access section, remove a panel.
  • Page 100 Component Installation Figure 130. External face-and-bypass with duct Figure 132.Typical duct flat/flange end-of-unit (EOU) configuration designed to bypass air into a connection - insulated horizontal fan section Duct External Coil Coil face-and-bypass Other Connections Access, filter, and other sections may have open inlets with a 2-inch (sizes 3-120) panel frame for connecting the ductwork.
  • Page 101 Penetrations will not be in the panel; only one side of the coil section. Pitch the connection lines a pilot hole will be factory-provided if drain and horizontal or downward toward an open drain. Trane vent connections are indicated. CLCH-SVX07K-EN...
  • Page 102 Piping and Connections recommends installing a plug to facilitate cleaning of the Figure 35 illustrates the proper trapping, piping, and trap. The drain connection sizes are: operation of the trap. Use the formula under the figure to determine the correct minimum depth for the condensate trap.
  • Page 103 Failure to follow these instructions could result in modulated and is 25 psig or higher. equipment damage. The 1/2-inch NPT, 15 degree swing Note: Trane steam coils require a minimum of 2 psi of check valve vacuum breaker is recommended because pressure to assure even heat distribution.
  • Page 104 Piping and Connections Note: Do not drain the steam mains or take-offs through the coils. Drain the mains ahead of the coils Figure 135. Typical piping for type 5A, 5W two-row, W 3- through a steam trap to the return line. to 12-row, WD, D1, and D2 water coils 7.
  • Page 105 Piping and Connections Refrigerant Coil Piping Figure 137 illustrates an example of a split-system component arrangement. Use it to determine the proper, relative sequence of the components in the refrigerant Note: Refer to for information on handling refrigerants. lines that connect the condensing unit to an evaporator coil.
  • Page 106 Venturi type refrigerant from the evaporator during the off cycles. distributor Trim solenoids cannot be used with MCHE. Note: Trane condensing units with MCHE no longer employ pump-down, but isolation solenoids are Coil required. The suggested solenoid uses a 120-volt...
  • Page 107 Frostat™ control when the refrigerant coil is used with Trane Trane now has many years of experience in the successful condensing units. Position them as close to the use of equipment without hot gas bypass in commercial compressor as possible.
  • Page 108 All accessories listed above will be on the packing slip. Note: Unit drain pan and connection not shown. Report any shortages immediately. If accessories have been damaged in transit, notify Trane and file claim with Remodel, Retrofit, or the transportation company. If your order covers more than one package, segregate complete assembly.
  • Page 109 R-410A, please contact • For the best performance and operation, the original your local Trane representative. mineral oil should be removed from the components of the system that are not being replaced. Any Every part of an existing split system needs to be analyzed...
  • Page 110 Piping and Connections Field-Installed Evaporator Piping Figure 140. Typical single-circuit condensing unit: evaporator coil with one distributor 1. Pitch the liquid line slightly—1 inch/10 feet —so Evaporator Coil with Standard Circuiting that the refrigerant drains toward the Suction line evaporator. 2.
  • Page 111 Piping and Connections Figure 142. Typical single-circuit condensing unit: evaporator coil with four distributors 1. Pitch the liquid line slightly—1 inch/10 feet —so Evaporator Coil with Horizontal-Split that the refrigerant drains toward the (Standard) Circuiting evaporator. Suction line Thermal expansion valves (TXV) 2.
  • Page 112 Piping and Connections Figure 143. Typical dual-circuit condensing unit: evaporator coil with two distributors Evaporator Coil Suction line with Horizontal-Split (Standard) Circuiting (circuit 2) Liquid line (circuit 2) Sight glass Solenoid Distributor valve Suction line (circuit 1) Liquid line (circuit 1) Thermal Filter drier expansion...
  • Page 113 Piping and Connections Figure 144. Typical dual-circuit condensing unit: evaporator coil with four distributors 1. Pitch the liquid line slightly—1 inch/10 feet —so Evaporator Coil that the refrigerant drains toward the with Horizontal-Split (Standard) Circuiting evaporator. Suction line (circuit 2) Thermal expansion Liquid line 2.
  • Page 114 Piping and Connections Figure 145.Typical dual-circuit condensing unit: evaporator coil with eight distributors 1. Pitch the liquid line slightly—1 inch/10 feet —so Evaporator Coil that the refrigerant drains toward the with Horizontal-Split (Standard) Circuiting Suction line evaporator. Thermal expansion valves (TXV) 2.
  • Page 115 Follow proper lockout/ tagout procedures to ensure the power cannot be inadvertently energized. For variable frequency drives or other energy storing components provided by Trane or others, refer to the appropriate manufacturer’s literature for allowable waiting periods for discharge of capacitors.
  • Page 116 Installation - Electrical Figure 148. External motorized impeller control panel Figure 150. Controller - externally mounted (MICP) Figure 151. Externally mounted control box Typical wiring schematics for VFDs and starters are shown Figure 155 Figure 156, respectively. Unit specific wiring schematics are shipped with each unit. All units with starters or VFDs that have direct-digital controllers (DDCs) are provided with line voltage to 24 Vac power transformers as shown in...
  • Page 117 The valve unit and motor connection diagrams are provided on the jack is typically located at the air-leaving side of the coil starter/VFD if Trane-provided, or refer to the motor connection inside the casing panel. For valve junction nameplate.
  • Page 118 Installation - Electrical If not factory-installed, the electrical contractor must may result in failure of the wheel motor. The motor provide and install a starter or starting contactor, requires air movement for continuous operation. disconnect, fuses, etc., as required by local codes, for the Operating the wheel for long periods with the fan off may CDQ wheel motor.
  • Page 119 Installation - Electrical Typical Wiring Schematics Figure 155. Typical schematic for VFD wiring 1PD1 Supply fan 1CB11 1K40 Splice 1B,C,D 4A,B 1K40 Customer Splice 2B,C,D 5A,B supplied power 1K40 Splice 3B,C 6A,B Attach earth 101E ground 102E Ret/Exh 103E 1K41 1F40 U/T1 1K41...
  • Page 120 Installation - Electrical Figure 156. Typical schematic for starter wiring 1 PDB 1CB11 Supply fan 1K40 100A 1K40 Customer 101A Supply supplied fan 1 power 1K40 102A Attach earth 101E ground 102E ret/exh 103E 460V TAP SETTING 14B,C 120V (GRN) 1S10 AUTO HAND...
  • Page 121 Installation - Electrical Figure 157. Typical schematic for motorized impeller control panel (MICP) CLCH-SVX07K-EN...
  • Page 122 Installation - Electrical Figure 158. Typical schematic for TCACS LEGEND DESIGNATION DESCRIPTION NOTE: DASHED LINES INDICATE CUSTOMER OR FIELD INSTALLED WIRING. 1DSC1 DISCONNECT, 600V LOCKABLE, NON-FUSED 1F46 FUSE, 600V, CLASS J FUSE 1F1 SHALL BE 250V RATED, FAST ACTING AND 0.25 AMPS 1F47 FUSE, 600V, CLASS J TRANSFORMER, LINE VOLTAGE TO 120V...
  • Page 123 Installation - Electrical Figure 159. UV lights schematic CLCH-SVX07K-EN...
  • Page 124 Installation - Electrical Figure 160. Typical schematic for customer-supplied power for GFCI and lights/switch 3GFR1 2TB4 Dedicated GFCI customer suppoled power (115V) Attach earth ground Custom supplied power (115V) Attach earth ground 115V 115V Lighting Transformer Fuses Fuse Voltage 2F73 2F74 2F75 2F76...
  • Page 125 Controls Interface Calibrating the Operator Display The portable operator display is used for temporary connection to and operation of Trane UC600 controller. With the portable operator display, you can monitor data, This section shows how to calibrate the operator display change setpoints, monitor alarms, and override points.
  • Page 126 Controls Interface Adjusting Brightness and Contrast To adjust the brightness and contrast of the operator display: 1. On the home screen, press Setup. The Setup menu appears. 2. Page down to view the next screen. 3. Press the Adjust Brightness and Contrast buttons. The Brightness and Contrast screen appears.
  • Page 127 For variable frequency drives • Inspect fan motor and bearings for proper lubrication, or other energy storing components provided by Trane if necessary. See “Fan Bearing Lubrication,” p. 161. or others, refer to the appropriate manufacturer’s...
  • Page 128 Units shipped with an optional variable frequency drive perform these tasks. (VFD) are preset and run-tested at the Trane factory. If a problem with a VFD occurs, ensure that the programmed parameters listed in Table 39 have been set.
  • Page 129 0.5 - 10 inadvertently energized. For variable frequency drives or other energy storing components provided by Trane 15 - 125 or others, refer to the appropriate manufacturer’s literature for allowable waiting periods for discharge of capacitors.
  • Page 130 Start-Up Tension the Fan Belt Figure 163. Belt tensioner NOTICE Belt Tension! Excessive belt tension will reduce fan and motor bearing life, accelerate belt wear and possibly cause Force scale shaft failure. Do not over-tension belts. Under Small O-ring tensioning belts is the primary cause of premature belt failure.
  • Page 131 Start-Up Table 40. Typical sheave diameter and deflection force Belt Deflection Force (lbs) Super gripbelts and Gripnotch belts and Smallest sheave unnotched gripbands notched gripbands Cross diameter range Speed (rpm) section (in.) range Used belt New belt Used belt New belt 1,000–2,500 3.70 5.50...
  • Page 132 Start-Up Align Fan and Motor Sheaves Figure 165. Proper drive alignment Align the fan and motor sheaves using a straightedge. The straightedge must be long enough to span the distance Center line Lines must between the outside edges of the sheaves. When the must coincide be parallel sheaves are aligned, the straightedge will touch both...
  • Page 133 Start-Up Figure 167. Traq damper terminal connections  volts 2  – Airflow = k (cfm @ 10V) ------------------------------  volts 2  – Airflow = k (L/s @ 10V) ------------------------------ For example, if the VCM on a size 30 air handler at sea level (k=1) has a 10-volt signal, it would represent 24,492 cfm (11,559 L/s) through the Traq damper.
  • Page 134 Start-Up Table 44. Back or top inlet low-flow Traq damper-air mixing and indoor economizer sections Traq Damper Damper Peak Velocity Total Area CFM @ 10VDC L/s @ 10VDC Unit Size Part Number Size (in) Type (fpm) Peak Velocity Peak Velocity 495100860001 Min.
  • Page 135 Start-Up Table 47. Mixing box Traq damper inlet - dual-side standard flow Traq damper Peak velocity Total area CFM@10VDC peak L/s@ 10VDC peak Unit size Part number size (in) (fpm) velocity velocity 3, 4, 6, 8 495100860001 2475 1.84 4559 2152 10, 12 495100870001...
  • Page 136 5244 Trane utilizes AMCA certification for airflow measuring stations. Trane certifies that the Traq damper herein is licensed to bear the AMCA seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 611 and comply with the requirements of the AMCA Certified Ratings Program.
  • Page 137 Setup details are available on the HUB - DOC-107523. • the accuracy of the selected transmitter Trane air handlers use a 0-5 inch, 0-10 inch, or 0-25 inch Maintenance w.g. range transmitter as standard. To sufficiently cover For a typical HVAC environment - especially with upstream...
  • Page 138 Start-Up Constant Factor K The constant factor K is unique for each fan and is primarily a function of the area and other geometric properties of the fan inlet. Pre-engineered factors are available from the factory for fan types where the airflow measurement system is available.
  • Page 139 Start-Up Table 51. Constant K factors (continued) Fan Size (inches)/Type Fan Class Fan Name K-Factor 32 FC Medium 32 FA 23880.00 32 FC High 32 FB 23587.40 36 FC Medium 36 FA 31600.00 36 FC High 36 FB 31035.70 40 FC Medium 40 FA 38242.00...
  • Page 140 The resulting airflow will Exceeding the recommended airflow can result in represent single-fan airflow. At the controller level, the damage to equipment. Trane is not responsible for equipment damage resulting from exceeding individual airflows should be summed to get the total recommendations.
  • Page 141 PROD-SVB06*-EN . NOTICE Equipment Damage! Exceeding the recommended airflow can result in damage to equipment. Trane is not responsible for equipment damage resulting from exceeding recommendations. Note: Do not exceed the maximum rated airflow for the wheel. The pressure drop across the wheel is not to exceed 1.25 inches w.g.
  • Page 142 Start-Up 6. If the wheel has difficulty starting, turn off the power and inspect for excessive interference between the wheel surface and the four diameter seals. To correct, loosen the diameter seal adjusting screws and back the diameter seals away from the surface of the wheel. Apply power to confirm that the wheel rotates freely.
  • Page 143 Routine Maintenance WARNING WARNING Hazardous Service Procedures! Rotating Components! Failure to follow all of the safety warnings provided, Failure to secure rotor or disconnect power before could result in death or serious injury. The maintenance servicing could result in rotating components cutting and troubleshooting procedures recommended in this and slashing technician which could result in death or manual could result in exposure to electrical,...
  • Page 144 Routine Maintenance Air-to-Air Plate Heat Exchangers 9. Straighten any plate fins that may have been damaged during the cleaning process. 10. Confirm the drain line is open following the cleaning process. WARNING 11. Allow the unit to dry thoroughly before putting it back Hazardous Voltage! into service.
  • Page 145 Routine Maintenance 10. Be careful any contaminated material does not contact other areas of the unit or building. Properly dispose of WARNING all contaminated materials and cleaning solution. Hazardous Chemicals! Cleaning Porous Surfaces Failure to follow all safety instructions could result in death or serious injury.
  • Page 146 Water coil winterization procedures consist primarily of Hazardous Chemicals! draining water from the coil before the heating season. Trane recommends flushing the coil with glycol if coils will Failure to follow all safety instructions could result in be exposed to temperatures below 35 degrees.
  • Page 147 Routine Maintenance 2. Blow the coil out as completely as possible with compressed air. WARNING 3. Fill and drain the coil several times with full strength No Step Surface! glycol so that it mixes thoroughly with the water retained in the coil. Failure to follow the instructions below could result in death or serious injury.
  • Page 148 Routine Maintenance 3. Using 20 psig clean dry air, and a small air nozzle, blow Disconnect all electrical power, then use a vacuum cleaner air through one face of the wheel. At a similar location and brush to remove accumulated material from the CDQ on the opposite side of the wheel, gently apply a shop wheel motor.
  • Page 149 Routine Maintenance 2. Support wheel with wooden blocks on both sides of the wheel. Figure 174. Prevent wheel from flipping out with boards Figure 172. Wooden blocks support wheel 3. Make sure the wheel is secure. The short posts are removed first.
  • Page 150 Routine Maintenance 7. Remove the post. Figure 179. Remove old bearing by tapping from the Figure 177. Remove post back. Gently tap around the race. Repeat on opposite side. 8. Remove the snap ring from the shaft. Figure 178. Remove snap ring 9.
  • Page 151 Routine Maintenance not cocked. It is best to alternate to opposite sides of 19. Check the wheel for rotation and insure that is centered the race as shown in the two pictures at right. Do not in the cassette. It may be necessary to loosen the shaft strike the inner race of the bearing or it may be bolts and adjust the wheel so that it is equidistant from damaged.
  • Page 152 Routine Maintenance 3. Remove cover plate from bearing housing if present. 6. Remove the bolts securing the bearing to the cassette. Figure 183. Remove cover plate Figure 186. Remove bolts securing bearing 7. Remove the bearing. Use a bearing puller if necessary. 4.
  • Page 153 Routine Maintenance CDQ Belt Tension Figure 188. Typical flange bearing, shaft and hub 1. Disconnect all power to the desiccant wheel. assembly 2. Slip belt off of drive pulley. 3. Hold the belt with tabs facing outward as shown in Figure 190, twist tab and push through one link.
  • Page 154 Routine Maintenance side to the next the diameter seals should be adjusted to come in full contact with the wheel face. Figure 192. Reconnect the belt Figure 194. Adjust seals to fully contact wheel face to minimize leaks CDQ Seal Adjustment CDQ Drive Motor and Pulley Replacement Neoprene brush seals are located on both sides of the cassette around the wheel perimeter and the center...
  • Page 155 (part no. Saturation of the wall panel insulation with potential CHM00021 at your local Trane parts center) or in a microbial growth or damage to the energy wheel could alkaline detergent and warm water.
  • Page 156 Routine Maintenance 6. Slowly rotate the wheel by hand 180 degrees and Figure 195. Unlock the segment retainers repeat the process to remove the second segment. 7. Rotate the wheel 90 degrees by hand and remove the third segment. 8. Rotate the wheel 180 degrees by hand and remove the fourth segment.
  • Page 157 Routine Maintenance Segment Removal - 17,500 and higher wheel Figure 199. Secure pulley and belt with vise grip to prevent wheel rotation For energy wheel applications requiring 17,500 cfm and higher, wheel segments with satellite sections are used (see Figure 198).
  • Page 158 Routine Maintenance with vise grip to prevent wheel rotation (see Figure 199). Figure 201. Install outer segment by starting lower end in position and pressing straight in 2. Remove 1/4-20 flat head screw from segment nose bracket. 3. Center and rest segment on lower spoke. Slide segment on spoke until nose bracket contacts stop in hub plate.
  • Page 159 Routine Maintenance 6. Remove the collar. 19. Re-install the bearing locking collar. 7. Using a socket wrench with an extension, remove the 20. Rotate the collar by hand in the direction of wheel two nuts that secure the bearing housing to the rotation.
  • Page 160 Routine Maintenance 9. Reverse the removal procedure to re-install. Check to 1. Disconnect all electrical power. ensure that the wheel remains in the center of the seal 2. Remove the belt from the pulley and temporarily plate opening. position it around the wheel rim. Energy Wheel Seal Adjustment 3.
  • Page 161 Routine Maintenance Fan Bearing Lubrication 6. Allow the unit to dry completely before putting it back into service. 7. Be careful any contaminated material does not contact NOTICE other areas of the unit or building. Properly dispose of all contaminated materials and cleaning solution. Bearing Failure! Bearing Set Screw Alignment Mixing grease within the bearing could result in...
  • Page 162 Before attempting any maintenance procedures, always to prevent air bypass. If using filters not supplied by follow all warnings and cautions as detailed in this Trane, apply foam gasketing to the vertical edges of maintenance section. the filter. Permanent Filters...
  • Page 163 Routine Maintenance Cleaning the Bulbs Figure 206. UV lamp Note: If bulbs are found to be broken, see the proper warning and cautions below regarding broken bulbs and hazardous vapors. 1. Disconnect all electrical power to the unit and the ultraviolet bulbs.
  • Page 164 Routine Maintenance CAUTION Broken Glass! Failure to handle bulbs properly could result in minor to moderate injury. Bulbs are fragile and can be easily broken. To avoid getting cut, always use cloth gloves and eye protection when handling, cleaning or replacing these bulbs.
  • Page 165 Troubleshooting This section is intended to be used as a diagnostic aid only. For detailed repair procedures, contact your local Trane service representative. WARNING Hazardous Service Procedures! Failure to follow all of the safety warnings provided, could result in death or serious injury. The maintenance and troubleshooting procedures recommended in this manual could result in exposure to electrical, mechanical or other potential safety hazards.
  • Page 166 Troubleshooting Table 56. Air handler troubleshooting recommendations (continued) Symptom Probable Cause Recommended Action Worn sheaves Replace sheaves. Misaligned belt Realign drive with MVP sheave set at mean pitch diameter. Short belt life Grease or oil on belts Check for leaky bearings. Clean belts and sheaves. Belt slipping Improper belt tension.
  • Page 167 Troubleshooting Table 56. Air handler troubleshooting recommendations (continued) Symptom Probable Cause Recommended Action The fuse or circuit breaker may be blown or open. Check the breaker/fuse box and replace. There may be a loss of incoming power. Attempt to trace the power loss back to its source and correct.
  • Page 168 Our people and our family of brands—including Club Car®, Ingersoll Rand®, Thermo King® and Trane®—work together to enhance the quality and comfort of air in homes and buildings; transport and protect food and perishables; and increase industrial productivity and efficiency. We are a global business committed to a world of sustainable progress and enduring results.

Table of Contents

Save PDF